<html>
<head>
<script type="text/javascript" src="js/jquery-3.2.1.min.js"></script>

<script type="text/javascript">
 function login(){
	 $.ajax(
	type:"post",
	url:"/login"
	data:$('loginForm').serialize(),
	async:false,
	error:function(request){
		alert("connection erro");
	},
	success:function(data){
		alert("success");
	}
	 );
 }
</script>
</head>
<body>
              <div margin="center"><h1>用户系统</h1>
              <div>
              <form id="loginForm">
                 userName：<input type="text" name="userName"></input></br>
                 passWord：<input type="password" name="passWord"></input></br>
                 <button onClick="login()">登陆</button>
              </form>
              </div>
              </div>
</body>
</html>